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ALAHIST DM

Dosage form
LIQUID
Labeler
Poly Pharmaceuticals, Inc.
Label updated
2025-12-03
Retrieved
2026-09-07
Active ingredients
DEXTROMETHORPHAN HYDROBROMIDE · PHENIRAMINE MALEATE · PHENYLEPHRINE HYDROCHLORIDE
View original label and images on DailyMed ↗
Label information

ALAHIST DM LIQUID

Drug Facts

Active ing redients

(in each 5 mL teaspoonful)
Dextromethorphan HBr............... 10 mg
Pheniramine Maleate.............. 12.5 mg
Phenylephrine HCl...................... 5 mg

Purpose

Antitussive

Antihistamine

Nasal Decongestant

Uses

temporarily relieves these symptoms due to the common cold, hay fever (allergic rhinitis) or other upper respiratory allergies:

  • runny nose
  • sneezing
  • itching of nose or throat
  • itchy, watery eyes
  • cough due to minor throat and bronchial irritation
  • nasal congestion
  • reduces swelling of nasal passages
Warnings

Do not exceed recommended dosage.

Do not use

this product

  • if you are now taking a prescription monoamine oxidase inhibitor (MAOI) (certain drugs for depression, psychiatric, or emotional conditions, or Parkinson's disease), or for 2 weeks after stopping the MAOI drug. If you do not know if your prescription drug contains an MAOI, ask a doctor or pharmacist before taking this product.

Ask a doctor before use

if you have

  • a breathing problem such as emphysema or chronic bronchitis
  • glaucoma
  • trouble urinating due to an enlarged prostate gland
  • a cough that lasts or is chronic such as occurs with smoking, asthma or emphysema
  • a cough that occurs with too much phlegm (mucus)
  • heart disease
  • high blood pressure
  • thyroid disease
  • diabetes

Ask a doctor or pharmacist before use

if you are

taking sedatives or tranquilizers.

When using this product

  • excitability may occur, especially in children
  • may cause marked drowsiness
  • avoid alcoholic drinks
  • alcohol, sedatives, and tranquilizers may increase the drowsiness effect
  • be careful when driving a motor vehicle or operating machinery

Stop use and ask a doctor if

If pregnant or breast-feeding,

ask a health professional before use.

Keep out of reach of children.

In case of overdose, get medical help or contact a Poison Control Center right away.

Directions

Do not exceed recommended dosage.

Adults and

children 12

years of age

and over:
2 teaspoonful (10 mL)

every 4 to 6 hours,

not to exceed 12

teaspoonfuls in a 24

hours
Children 6 to

under 12 years

of age:
1 teaspoonful

(5 mL) every 4 to 6

hours, not to exceed

6 teaspoonfuls in 24 hours
Children under

6 years of age:
Consult a doctor.
Other information

Store at 59° - 86°F (15° - 30°C)

Inactive ingredients

Citric Acid, Flavor, Methylparaben, Potassium Citrate, Propylene Glycol, Propylparaben, Purified water, Sucralose,Sorbitol

Questions? Comments?

Serious side effects associated with use of this product may be reported to this number.

Call 1-800-882-1041

Mon. - Fri. (8 a.m. to 5 p.m. CST).

PRINCIPAL DISPLAY PANEL

[Image in the official label — see DailyMed source]

DailyMed Set ID: fdaa062d-110e-798d-e053-6394a90a755c · Version 6
NDC: 50991-444